noun
perennial herb of northeastern United States having a thick knotted yellow rootstock and large rounded leaves
• Syn: ↑goldenseal, ↑golden seal, ↑yellow root, ↑turmeric root
• Hypernyms: ↑herb, ↑herbaceous plant
• Member Holonyms: ↑Hydrastis, ↑genus Hydrastis
Useful english dictionary. 2012.